CN103543899B - Electromagnetic touch control display and preparation method thereof - Google Patents

Electromagnetic touch control display and preparation method thereof Download PDF

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Publication number
CN103543899B
CN103543899B CN201310504844.5A CN201310504844A CN103543899B CN 103543899 B CN103543899 B CN 103543899B CN 201310504844 A CN201310504844 A CN 201310504844A CN 103543899 B CN103543899 B CN 103543899B
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China
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described
axis
coil
circuit coil
electromagnetic
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CN201310504844.5A
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Chinese (zh)
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CN103543899A (en
Inventor
周晓亮
余丽霞
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合肥京东方光电科技有限公司
京东方科技集团股份有限公司
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Priority to CN201310504844.5A priority Critical patent/CN103543899B/en
Publication of CN103543899A publication Critical patent/CN103543899A/en
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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/046Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03545Pens or stylus
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412Digitisers structurally integrated in a display
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Abstract

The invention provides a kind of electromagnetic touch control display and preparation method thereof.Described electromagnetic touch control display includes display and electromagnetic touch pen, described display includes array base palte, color membrane substrates, grid array electromagnetic induction layer and control circuit, wherein, described grid array electromagnetic induction layer is arranged on described array base palte or described color membrane substrates;Described control circuit, is connected with described grid array inductive layer, for detecting described electromagnetic touch pen positional information on described grid array inductive layer.Grid array electromagnetic induction layer is arranged on array base palte or color membrane substrates that described display includes by the present invention, will be built in display by electromagnetic induction layer, display itself is made to have electromagnetic touch function, without at the additional electromagnetic induction layer in the display back side, it is avoided that the para-position offset problem that external electromagnetic induction layer easily produces, so that position control and touch control are accurate.

Description

Electromagnetic touch control display and preparation method thereof

Technical field

The present invention relates to electromagnetic touch display field, particularly relate to a kind of electromagnetic touch control display and system thereof Make method.

Background technology

Along with the widely available application of computer technology, the electronization of information, digital route are more and more abundanter. People use the various peripheral hardwares of computer, complete the digitized process that information processing is initial.One of which is straight It is connected on LCDs and carries out information input, instruction tune by electromagnetic touch pen to touch the modes such as click Dynamic.Along with the continuous release of portable product, various peripheral hardwares: keyboard, mouse are all omitted one by one, substantially There is no the manipulation of button, but use electromagnetic touch pen operation touch screen to complete various operation.

In existing electromagnetic touch control display, display itself can not realize electromagnetic touch function, and It is to need at the additional electromagnetic induction layer in the display back side, and external electromagnetic induction layer easily produces para-position skew Problem, thus cause position control and touch control inaccurate.

Summary of the invention

A kind of electromagnetic touch control display of offer and preparation method thereof is provided, solves In prior art, display itself can not realize electromagnetic touch function, but needs to power up outside the display back side Magnetic induction layer, and external electromagnetic induction layer easily produces para-position offset problem, thus cause position control with And the inaccurate problem of touch control.

In order to achieve the above object, the invention provides a kind of electromagnetic touch control display, including display And electromagnetic touch pen, described display includes array base palte, color membrane substrates, grid array electromagnetic induction layer And control circuit, wherein,

Described grid array electromagnetic induction layer is arranged on described array base palte or described color membrane substrates;

Described control circuit, is connected with described grid array inductive layer, is used for detecting described electromagnetic touch pen Positional information on described grid array inductive layer.

During enforcement, described grid array electromagnetic induction layer includes:

Multiple X-axis circuit coils of being formed on described array base palte and insulating with described X-axis circuit coil Multiple Y-axis circuit coils.

During enforcement, described control circuit includes X-axis receptor, Y-axis receptor, coil switch, high frequency AC signal generator and positional information detector;

First termination reference voltage of the plurality of Y-axis circuit coil;

First termination reference voltage of the plurality of X-axis circuit coil;

Described high frequency ac signal generator, is returned by Y-axis described in coil switch and or at least two Second end of map connects, for electric to this Y-axis circuit coil incoming transport in the charging stage;

Described positional information detector, by described X-axis receptor and the plurality of X-axis circuit coil Second end connects, and is connected by the second end of described Y-axis receptor with the plurality of Y-axis circuit coil, For after the described charging stage by detecting the plurality of X-axis circuit coil and the plurality of Y-axis loop The voltage of line and judge the position obtaining described electromagnetic touch pen on described grid array electromagnetic induction layer Information.

During enforcement, described control circuit includes X-axis receptor, Y-axis receptor, coil switch, high frequency AC signal generator and positional information detector;

First termination reference voltage of the plurality of Y-axis circuit coil;

First termination reference voltage of the plurality of X-axis circuit coil;

Described high frequency ac signal generator, is returned by X-axis described in coil switch and or at least two Second end of map connects, for electric to this X-axis circuit coil incoming transport in the charging stage;

Described positional information detector, by described X-axis receptor and the plurality of X-axis circuit coil Second end connects, and is connected by the second end of described Y-axis receptor with the plurality of Y-axis circuit coil, For after the described charging stage by detecting the plurality of X-axis circuit coil and the plurality of Y-axis loop The voltage of line and judge the position obtaining described electromagnetic touch pen on described grid array electromagnetic induction layer Information.

During enforcement, described control circuit includes X-axis receptor, Y-axis receptor, coil switch, high frequency AC signal generator and positional information detector;

First termination reference voltage of the plurality of Y-axis circuit coil;

First termination reference voltage of the plurality of X-axis circuit coil;

Described high frequency ac signal generator, by Y described in described coil switch and or at least two Second end of axle circuit coil connects, and by X-axis described in described coil switch and or at least two Second end of circuit coil connects, and is used in the charging stage to this Y-axis circuit coil and this X-axis return line Circle incoming transport electricity;

Described positional information detector, by described X-axis receptor and the plurality of X-axis circuit coil Second end connects, and is connected by the second end of described Y-axis receptor with the plurality of Y-axis circuit coil, For after the described charging stage by detecting the plurality of X-axis circuit coil and the plurality of Y-axis loop The voltage of line and judge the position obtaining described electromagnetic touch pen on described grid array electromagnetic induction layer Information.

During enforcement, described control circuit is arranged on printed circuit board (PCB), described grid array electromagnetic induction layer Electromagnetic signal Processing Interface is by flexible circuit board with the control circuit being arranged on described printed circuit board (PCB) even Connect.

Present invention also offers the manufacture method of a kind of electromagnetic touch control display, including by grid array electricity Magnetic induction layer is arranged at the step on array base palte or color membrane substrates.

During enforcement, described grid array electromagnetic induction layer be arranged at step on array base palte include:

The glass substrate of described array base palte is formed multiple X-axis circuit coil;

The plurality of X-axis circuit coil is formed passivation insulation;

Described passivation insulation is formed multiple Y-axis circuit coil.

During enforcement, described on the glass substrate of array base palte, form multiple X-axis circuit coil step include: Use tin indium oxide ITO material, in plated film mode, the plurality of X-axis circuit coil is formed at described glass base On plate;

Described in described passivation insulation, form multiple Y-axis circuit coil step include: use ITO material The plurality of Y-axis circuit coil is arranged in described passivation insulation by material in plated film mode.

Compared with prior art, electromagnetic touch control display of the present invention and preparation method thereof, by net Lattice array electromagnetic induction layer is arranged on array base palte or color membrane substrates that described display includes, will electromagnetism Inductive layer is built in display so that display itself has electromagnetic touch function, without in display The additional electromagnetic induction layer in the device back side, it is thus possible to the para-position skew avoiding external electromagnetic induction layer easily to produce is asked Topic, so that position control and touch control are accurate.And owing to the embodiment of the present invention is by grid electromagnetism sense Answer layer to be built in display, therefore can by electromagnetic signal Processing Interface and monitor signal Interface integration, from And the Interface integration of the electromagnetic touch control display described in the embodiment of the present invention, subtract with system matches interface Few, structure is simpler, and cost is lower, lighter and thinner.

Accompanying drawing explanation

Fig. 1 is the grid array electromagnetism that the electromagnetic touch control display described in one embodiment of the invention includes Inductive layer and the structural representation of control circuit;

Fig. 2 is the grid array electricity that the electromagnetic touch control display described in another embodiment of the present invention includes The structural representation of magnetic induction layer, control circuit and electromagnetic touch pen;

Fig. 3 be the electromagnetic touch control display described in this embodiment of the invention include electromagnetic touch pen, First Y-axis circuit coil, the second Y-axis circuit coil, the 3rd Y-axis circuit coil, the first X-axis loop Energy waveform schematic diagram in coil, the second X-axis circuit coil and the 3rd X-axis circuit coil;

Fig. 4 is the flow chart of the manufacture method of the electromagnetic touch control display described in one embodiment of the invention.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly Chu, be fully described by, it is clear that described embodiment be only a part of embodiment of the present invention rather than Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation The every other embodiment obtained under property work premise, broadly falls into the scope of protection of the invention.

Electromagnetic touch control display described in the embodiment of the present invention, including display and electromagnetic touch pen, Described display includes array base palte, color membrane substrates, grid array electromagnetic induction layer and control circuit, wherein,

Described grid array electromagnetic induction layer is arranged on described array base palte or described color membrane substrates;

Described control circuit, is connected with described grid array inductive layer, is used for detecting described electromagnetic touch pen Positional information on described grid array inductive layer.

Electromagnetic touch control display described in the embodiment of the present invention, is arranged at grid array electromagnetic induction layer On array base palte that described display includes or color membrane substrates, will be built in display by electromagnetic induction layer, Display itself is made to have electromagnetic touch function, without at the additional electromagnetic induction layer in the display back side, It is thus possible to avoid the para-position offset problem that external electromagnetic induction layer easily produces so that position control and touch Touch control accurately.And owing to network electromagnetic inductive layer is built in display by the embodiment of the present invention, therefore may be used With by electromagnetic signal Processing Interface and monitor signal Interface integration, thus the electromagnetism described in the embodiment of the present invention The Interface integration of touch control display, reduces with system matches interface, and structure is simpler, and becomes This is lower, lighter and thinner.

The grid array electromagnetic induction layer that ITO plated film mode is formed is plated on color membrane substrates, it is possible to reduce The number of plies of plated film on array base palte, it is to avoid interfering with each other of the various signal of telecommunication in array base palte side, color membrane substrates On ITO signal conduction need pass through from array base palte, need other conducting resinl by color membrane substrates Turning on associated metal film layer on array base palte, this associated metal film layer can be such as Gate (grid metal) Layer, S/D layer (source and drain metal level), ITO layer.

In the electromagnetic touch control display described in the embodiment of the present invention, described grid array electromagnetic induction layer May include that

The multiple X-axis circuit coils being formed on described array base palte;

And with described X-axis circuit coil insulation multiple Y-axis circuit coils.

In the electromagnetic touch control display described in this embodiment of the invention, existed by ITO plated film mode It is initially formed multiple laterally (X-axis) circuit coil on display interior array base palte or color membrane substrates, then plates Passivation insulation, then form multiple vertical (Y-axis) circuit coil, two kinds of differences in ITO plated film mode Direction, multiple circuit coils composition grid array electromagnetic induction layer of different layers;This grid array electromagnetic induction Layer, is connected with control circuit, by charging to electromagnetic touch pen after alternating current, after stopping being passed through alternating current Electromagnetic touch pen is by the electric energy release of storage, and grid array electromagnetic induction layer receives described electromagnetism by scanning The electric energy of formula pointer release and determine the position of electromagnetic touch pen, thus realize electromagnetic induction touch-control.

As it is shown in figure 1, in electromagnetic touch control display described in the present invention one specific embodiment, described net Lattice array electromagnetic induction layer may include that

The first X-axis using tin indium oxide ITO material to be formed on described array base palte in plated film mode is returned Map the 101, second X-axis circuit coil 102 and the 3rd X-axis circuit coil 103;

It is plated on described first X-axis circuit coil 101, described second X-axis circuit coil 102 and described Passivation insulation (not showing in this passivation insulation Fig. 1) on three X-axis circuit coils 103;

And the first Y-axis loop that employing ITO material is arranged in described passivation insulation in plated film mode Coil the 111, second Y-axis circuit coil 112 and the 3rd Y-axis circuit coil 113.

In the electromagnetic touch control display described in this embodiment of the invention, described control circuit can include X-axis receptor, Y-axis receptor, coil switch, high frequency ac signal generator and positional information detector;

First termination reference voltage of the plurality of Y-axis circuit coil;

First termination reference voltage of the plurality of X-axis circuit coil;

Described high frequency ac signal generator, is returned by Y-axis described in coil switch and or at least two Second end of map connects, for electric to this Y-axis circuit coil incoming transport in the charging stage;

Described positional information detector, by described X-axis receptor and the plurality of X-axis circuit coil Second end connects, and is connected by the second end of described Y-axis receptor with the plurality of Y-axis circuit coil, For after the described charging stage by detecting the plurality of X-axis circuit coil and the plurality of Y-axis loop The voltage of line and judge the position obtaining described electromagnetic touch pen on described grid array electromagnetic induction layer Information;

In the specific implementation, at high frequency ac signal generator described in the charging stage to passing through coil switch with it One connected or at least two Y-axis circuit coil incoming transport electricity, this or at least two Y-axis are returned Map produces electromagnetic field because being passed through alternating current, and electromagnetic touch pen motion in this electromagnetic field can make Obtain the resonance circuit savings electric energy in this electromagnetic touch pen, described high-frequency ac letter after the charging stage terminates Number generator stops to this or at least two Y-axis circuit coil incoming transport electricity, this electromagnetic touch-control The free oscillation by resonance circuit of the electric energy of pen savings, by electric energy from the line of the nib of this electromagnetic touch pen Described grid array electromagnetic induction layer is sent back at circle, and by the plurality of after described positional information detector X-axis circuit coil and the voltage of the plurality of Y-axis return line and detect described electromagnetic touch pen described Positional information on grid array electromagnetic induction layer.

In the electromagnetic touch control display described in this embodiment of the invention, described control circuit can include X-axis receptor, Y-axis receptor, coil switch, high frequency ac signal generator and positional information detector;

First termination reference voltage of the plurality of Y-axis circuit coil;

First termination reference voltage of the plurality of X-axis circuit coil;

Described high frequency ac signal generator, is returned by X-axis described in coil switch and or at least two Second end of map connects, for electric to this X-axis circuit coil incoming transport in the charging stage;

Described positional information detector, by described X-axis receptor and the plurality of X-axis circuit coil Second end connects, and is connected by the second end of described Y-axis receptor with the plurality of Y-axis circuit coil, For after the described charging stage by detecting the plurality of X-axis circuit coil and the plurality of Y-axis loop The voltage of line and judge the position obtaining described electromagnetic touch pen on described grid array electromagnetic induction layer Information;

In the specific implementation, at high frequency ac signal generator described in the charging stage to passing through coil switch with it One connected or at least two X-axis circuit coil incoming transport electricity, this or at least two X-axis are returned Map produces electromagnetic field because being passed through alternating current, and electromagnetic touch pen motion in this electromagnetic field can make Obtain the resonance circuit savings electric energy in this electromagnetic touch pen, described high-frequency ac letter after the charging stage terminates Number generator stops to this or at least two X-axis circuit coil incoming transport electricity, this electromagnetic touch-control The free oscillation by resonance circuit of the electric energy of pen savings, by electric energy from the line of the nib of this electromagnetic touch pen Described grid array electromagnetic induction layer is sent back at circle, and by the plurality of after described positional information detector X-axis circuit coil and the voltage of the plurality of Y-axis return line and detect described electromagnetic touch pen described Positional information on grid array electromagnetic induction layer.

In the electromagnetic touch control display described in this embodiment of the invention, described control circuit includes X Axial receivers, Y-axis receptor, coil switch, high frequency ac signal generator and positional information detector;

First termination reference voltage of the plurality of Y-axis circuit coil;

First termination reference voltage of the plurality of X-axis circuit coil;

Described high frequency ac signal generator, by Y described in described coil switch and or at least two Second end of axle circuit coil connects, and by X-axis described in described coil switch and or at least two Second end of circuit coil connects, and is used in the charging stage to this Y-axis circuit coil and this X-axis return line Circle incoming transport electricity;

Described positional information detector, by described X-axis receptor and the plurality of X-axis circuit coil Second end connects, and is connected by the second end of described Y-axis receptor with the plurality of Y-axis circuit coil, For after the described charging stage by detecting the plurality of X-axis circuit coil and the plurality of Y-axis loop The voltage of line and judge the position obtaining described electromagnetic touch pen on described grid array electromagnetic induction layer Information;

In the specific implementation, at high frequency ac signal generator described in the charging stage to passing through coil switch with it One connected or at least two X-axis circuit coil and one or at least two Y-axis circuit coil access Alternating current, this or at least two X-axis circuit coil and one or at least two Y-axis circuit coil Produce electromagnetic field because being passed through alternating current, electromagnetic touch pen motion in this electromagnetic field is so that this electricity Resonance circuit savings electric energy in magnetic-type pointer, after the charging stage terminates, described high frequency ac signal occurs Device stops to this or at least two X-axis circuit coil and one or at least two Y-axis circuit coil Incoming transport electricity, the electric energy free oscillation by resonance circuit of this electromagnetic touch pen savings, by electric energy from Described grid array electromagnetic induction layer is sent back at the coil of the nib of this electromagnetic touch pen, and described position Examined by the plurality of X-axis circuit coil and the voltage of the plurality of Y-axis return line after information detector Survey described electromagnetic touch pen positional information on described grid array electromagnetic induction layer.

Concrete, as it is shown in figure 1, the first termination reference voltage of the first X-axis circuit coil 101, the First termination reference voltage and the first end of the 3rd X-axis circuit coil 103 of two X-axis circuit coils 102 Connect reference voltage;

First termination reference voltage of the first Y-axis circuit coil 111, the second Y-axis circuit coil 112 First termination reference voltage and the first termination reference voltage of the 3rd Y-axis circuit coil 113;

Described control circuit includes that X-axis receptor 12, Y-axis receptor 13, coil switch 14, high frequency are handed over Stream signal generator 15 and positional information detector 16;

Described high frequency ac signal generator 15, by coil switch 14 and described first Y-axis circuit coil Second end of 111 connects, for enclosing incoming transport electricity in the charging stage to this first Y-axis return line 111;

Described positional information detector 16, by described X-axis receptor 12 respectively with described first X-axis Second end of circuit coil 101, the second end of described second X-axis circuit coil 102 and described 3rd X Second end of axle circuit coil 103 connects, and is returned with described first Y-axis by described Y-axis receptor 13 Second end of map 111, the second end of described second Y-axis circuit coil 112 and described 3rd Y-axis Second end of circuit coil 113 connects, and is used for after the described charging stage by detecting the first X-axis loop The voltage of coil 101, the voltage of the second X-axis circuit coil 102, the 3rd X-axis circuit coil 103 Voltage, the voltage of the first Y-axis circuit coil 111, the voltage and the 3rd of the second Y-axis circuit coil 112 The voltage of Y-axis circuit coil 113, and judge to obtain described electromagnetic touch pen (not showing in Fig. 1) in institute State the positional information on grid array electromagnetic induction layer.

In the specific implementation, as shown in Figure 2 and Figure 3, when described electromagnetic touch pen 17 is at the 2nd Y When axle circuit coil 112 and the second X-axis circuit coil 102 intersection, in described electromagnetic touch pen 17 Resonance circuit release electric energy, first Y-axis circuit coil the 111, second Y-axis circuit coil the 112, the 3rd Y-axis circuit coil the 113, first X-axis circuit coil the 101, second X-axis circuit coil 102 and the 3rd X Axle circuit coil 103 all receives positional information detector 16 described in energy the energy back that will receive Calculating the second Y-axis circuit coil 112 after digital-to-analogue conversion, to accept energy higher, the second X-axis circuit coil 102 to accept energy the highest, so detecting that this electromagnetic touch pen 17 is at the second Y-axis circuit coil 112 With the second X-axis circuit coil 102 intersection.

In fig. 2, the intersection of Y-axis circuit coil, X-axis circuit coil and reference voltage output lead is drawn During for arc-shaped, illustrate this Y-axis circuit coil, this X-axis circuit coil and this reference voltage output lead it Between be not connected with each other, when Y-axis circuit coil, X-axis circuit coil intersect with reference voltage output lead When place is plotted as the stain of overstriking, this Y-axis circuit coil, this X-axis circuit coil and this reference electricity are described It is connected with each other between pressure output lead.

Mutually insulated between X-axis circuit coil and Y-axis circuit coil, can arrange such as insulating barrier to reach To making the purpose of mutually insulated between X-axis circuit coil and Y-axis circuit coil.

In the specific implementation, described control circuit is arranged on printed circuit board (PCB) (PCBA), described grid The electromagnetic signal Processing Interface of array electromagnetic induction layer is passed through flexible circuit board (FPC) and is arranged at described print Control circuit on printed circuit board connects.

The embodiment of the present invention additionally provides the manufacture method of a kind of electromagnetic touch control display, and it is by grid battle array Row electromagnetic induction layer is arranged on array base palte or color membrane substrates.

In the manufacture method of the electromagnetic touch control display described in the embodiment of the present invention, described by grid battle array Row electromagnetic induction layer is arranged at step on array base palte and includes:

The glass substrate of described array base palte is formed multiple X-axis circuit coil;

The plurality of X-axis circuit coil is formed passivation insulation;

Described passivation insulation is formed multiple Y-axis circuit coil.

The embodiment of the present invention on the glass substrate of array base palte, by plated film, expose, develop, etch, Coating process formation X, the Y-axis circuit coil that stripping etc. are traditional, carries out the follow-up system of array base palte the most again Make.

In the specific implementation, as shown in Figure 4, described grid array electromagnetic induction layer is arranged at array base palte Upper step includes:

Step 41: use tin indium oxide ITO material in plated film mode at the glass substrate of described array base palte Upper formation multiple X-axis circuit coil;

Step 42: be deposited with passivation insulation on the plurality of X-axis circuit coil;

Step 43: use ITO material that multiple Y-axis is set in described passivation insulation in plated film mode and return Map.

Electromagnetic touch control display described in the embodiment of the present invention and preparation method thereof, by grid array electromagnetism Inductive layer is arranged on array base palte or color membrane substrates that described display includes, will electromagnetic induction layer built-in In display so that display itself has electromagnetic touch function, without additional at the display back side Electromagnetic induction layer, it is thus possible to avoid the para-position offset problem that external electromagnetic induction layer easily produces, so that position Put control and touch control is accurate.

The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art For art personnel, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications, These improvements and modifications also should be regarded as protection scope of the present invention.

Claims (8)

1. an electromagnetic touch control display, including display and electromagnetic touch pen, it is characterised in that Described display includes array base palte, color membrane substrates, grid array electromagnetic induction layer and control circuit, wherein,
Described grid array electromagnetic induction layer is arranged on described array base palte or described color membrane substrates;
Described control circuit, is connected with described grid array inductive layer, is used for detecting described electromagnetic touch pen Positional information on described grid array inductive layer;
Described control circuit includes X-axis receptor, Y-axis receptor, coil switch, high frequency ac signal Generator and positional information detector;
Described grid array electromagnetic induction layer includes:
Multiple X-axis circuit coils of being formed on described array base palte and insulating with described X-axis circuit coil Multiple Y-axis circuit coils;
First termination reference voltage of the plurality of Y-axis circuit coil;
First termination reference voltage of the plurality of X-axis circuit coil;
Described high frequency ac signal generator, by the second end of coil switch and Y-axis circuit coil and/or Second end of X-axis circuit coil connects, and is used in the charging stage to Y-axis circuit coil and/or X-axis loop Coil incoming transport electricity;
Described positional information detector, by described X-axis receptor and the plurality of X-axis circuit coil Second end connects, and is connected by the second end of described Y-axis receptor with the plurality of Y-axis circuit coil, For after the described charging stage by detecting the plurality of X-axis circuit coil and the plurality of Y-axis loop The voltage of coil and judge the position obtaining described electromagnetic touch pen on described grid array electromagnetic induction layer Confidence ceases.
2. electromagnetic touch control display as claimed in claim 1, it is characterised in that
Described high frequency ac signal generator, is returned by Y-axis described in coil switch and or at least two Second end of map connects, specifically for electric to this Y-axis circuit coil incoming transport in the charging stage.
3. electromagnetic touch control display as claimed in claim 1, it is characterised in that
Described high frequency ac signal generator, is returned by X-axis described in coil switch and or at least two Second end of map connects, specifically for electric to this X-axis circuit coil incoming transport in the charging stage.
4. electromagnetic touch control display as claimed in claim 1, it is characterised in that
Described high frequency ac signal generator, by Y described in described coil switch and or at least two Second end of axle circuit coil connects, and by X-axis described in described coil switch and or at least two Second end of circuit coil connects, and is used in the charging stage to this Y-axis circuit coil and this X-axis return line Circle incoming transport electricity.
5. the electromagnetic touch control display as described in any claim in Claims 1-4, it is special Levying and be, described control circuit is arranged on printed circuit board (PCB), the electromagnetism of described grid array electromagnetic induction layer Signal processing interface is connected with the control circuit being arranged on described printed circuit board (PCB) by flexible circuit board.
6. the manufacture method of an electromagnetic touch control display, it is characterised in that for making such as right Require the electromagnetic touch control display described in any claim in 1 to 5, described manufacture method include by Grid array electromagnetic induction layer is arranged at the step on array base palte or color membrane substrates.
7. the manufacture method of electromagnetic touch control display as claimed in claim 6, it is characterised in that Described grid array electromagnetic induction layer be arranged at step on array base palte include:
The glass substrate of described array base palte is formed multiple X-axis circuit coil;
The plurality of X-axis circuit coil is formed passivation insulation;
Described passivation insulation is formed multiple Y-axis circuit coil.
8. the manufacture method of electromagnetic touch control display as claimed in claim 7, it is characterised in that
Described on the glass substrate of array base palte, form multiple X-axis circuit coil step include: use oxygen Change indium stannum ITO material to be formed on described glass substrate by the plurality of X-axis circuit coil in plated film mode;
Described in described passivation insulation, form multiple Y-axis circuit coil step include: use ITO material The plurality of Y-axis circuit coil is arranged in described passivation insulation by material in plated film mode.
CN201310504844.5A 2013-10-23 2013-10-23 Electromagnetic touch control display and preparation method thereof CN103543899B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310504844.5A CN103543899B (en) 2013-10-23 2013-10-23 Electromagnetic touch control display and preparation method thereof

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN201310504844.5A CN103543899B (en) 2013-10-23 2013-10-23 Electromagnetic touch control display and preparation method thereof
PCT/CN2014/078279 WO2015058522A1 (en) 2013-10-23 2014-05-23 Electromagnetic touch-control display device and manufacturing method therefor
US14/422,330 US9891776B2 (en) 2013-10-23 2014-05-23 Electromagnetic touch display device and method for manufacturing the same

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CN103543899A CN103543899A (en) 2014-01-29
CN103543899B true CN103543899B (en) 2016-08-17

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